– Lat/Long: 48.71° N 121.99° W
South Twin Sister Weather Forecast
Cascade Range · United StatesIssued: 3 pm Sat 07 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Sat 07 Nov Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryHeavy rain (total 47mm), heaviest during Sat night. Very mild (max 13°C on Sat afternoon, min 4°C on Sun night). Winds decreasing (fresh winds from the SSW on Sat night, calm by Sun afternoon). | Days 5–7 Weather SummaryLight rain (total 10mm), mostly falling on Tue night. Very mild (max 16°C on Wed morning, min 9°C on Tue afternoon). Wind will be generally light. | ||||||||||||||||
Sat 7 | Sunday 8 | Monday 9 | Tuesday 10 | Wednesday 11 | Thursday 12 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  | | |  |  | |  |  | | |  | |  | |
light rain | heavy rain | rain shwrs | rain shwrs | some clouds | light rain | light rain | light rain | mod. rain | light rain | rain shwrs | some clouds | some clouds | some clouds | clear | some clouds | cloudy | |
Cloud base (m) | 2300 | 550 | 600 | 800 | 750 | 1850 | 900 | 600 | 800 | 600 | 900 | 4750 | 6950 | 6700 | 8600 | 5450 | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 0.1 | 21 | 9 | 0.7 | — | 0.1 | 4 | 4 | 8 | 3 | 6 | — | — | — | — | — | — |
max °C | 13 | 11 | 8 | 7 | 5 | 8 | 7 | 7 | 7 | 9 | 11 | 16 | 14 | 14 | 16 | 14 | 12 |
min °C | 12 | 7 | 6 | 5 | 4 | 7 | 6 | 7 | 7 | 9 | 10 | 14 | 13 | 13 | 16 | 13 | 11 |
chill °C | 10 | 5 | 4 | 5 | 3 | 5 | 4 | 5 | 5 | 7 | 8 | 13 | 12 | 12 | 16 | 12 | 9 |
Freezing level m | 2800 | 1700 | 1450 | 1500 | 1550 | 1700 | 1700 | 1850 | 1750 | 2700 | 3200 | 3250 | 3300 | 3450 | 3450 | 3100 | 2650 |
 | — | — | 7:05 | — | — | 7:07 | — | — | 7:07 | — | — | 7:09 | — | — | 7:11 | — | — |
 | 4:37 | — | — | 4:36 | — | — | 4:35 | — | — | 4:34 | — | — | 4:31 | — | — | 4:30 | — |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Heavy rain (total 47mm), heaviest during Sat night. Very mild (max 13°C on Sat afternoon, min 4°C on Sun night). Winds decreasing (fresh winds from the SSW on Sat night, calm by Sun afternoon).
South Twin Sister Weather (Days 3-6):
Light rain (total 10mm), mostly falling on Tue night. Very mild (max 16°C on Wed morning, min 9°C on Tue afternoon). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table.For a wider overview of the weather, consult the Weather Map of Washington.